Permit Record

Alteration Residential

450 Thornton Av, San Francisco, Ca, 94124

Classificationotc alterations permitResidential Alteration
Reliable value$4,500
ContractorNot in source
Permit record
Parties
Contractor
Not in source
Applicant
Not in source
Owner
Not in source
Architect
Not in source
Engineer
Not in source
Contractor license
Not in source
Building & lot · PLUTO
Building class
Not in source
Zoning district
Not in source
Lot area
Not in source
Year built
Not in source
Units (total)
Not in source
Units (residential)
1
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
5354 025
Climate zone (IECC)
3C
Roof area (est.)
Not derivable — no building-size signal for this permit
HVAC tonnage (est.)
Not derivable — no building-size signal for this permit
Building type
Not in source
Building subtype
1 family dwelling
Geocode & dates
Coordinates
37.7316, -122.3977
Geocode confidence
95%
Geocode source
Not in source
Issued
Aug 18, 2016
Applied
Aug 18, 2016
Work class
Residential
Description
Source description

change kitchen floor tiles, approx. 120 sq. ft., change (1) window at rear building

Status
Current status
issued
Source status
issued
Provenance
First seen by PermitCore
May 2, 2026 · 23:51 UTC
Last seen
May 12, 2026 · 00:02 UTC
Last changed
May 2, 2026 · 23:51 UTC

Open in San Francisco source →

Data-quality checks0 of 12 flagged

0 of 12 data-quality rules flagged anything on this permit.

Checks not flagged

  • Geocode out of bounds
  • Geocode is sentinel
  • Issued date in the future
  • Issued date parse bug
  • Issued date is placeholder
  • Commercial units is placeholder
  • Residential units out of bounds
  • Residential units is placeholder
  • Total units out of bounds
  • Total units is placeholder
  • Valuation out of bounds
  • Valuation is placeholder
Project timeline at this parcel

2 permits at this parcel (parcel 5354 025) · Apr 2, 2013 – Aug 18, 2016

  1. Aug 18, 2016This permitAlteration Residential · Issued$4,500
  2. Apr 2, 20131300508180434Alteration Residential · Issued$450

Full permit history at this parcel · as of Jul 9, 2026.

Developer details
Permit #
1434271180434
Canonical ID
6:1434271180434
Source permit ID
1434271180434
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